RatCity — Chicago Rat and Rodent Sightings Map

RatCity

4634 locations in the last 30 days (4784 reports) · Last sighting yesterday

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What am I looking at?

Each circle is a Chicago neighborhood. The number is its report count — click one to zoom in and see individual sightings there.

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Colors are relative to what’s currently on screen, so they adjust as you switch time ranges.

Zoomed into a neighborhood or zip? Same colors group nearby reports, and a bright dot means that exact spot’s been reported more than once.

Why Chicago keeps score on its rats

Chicago has topped national rankings of the rattiest U.S. cities for over a decade running — a reputation the city itself takes seriously enough to run one of the country’s most active 311 rodent-complaint programs. Every baiting request, burrow report, and complaint filed with the city becomes a public record. RatCity turns that record, plus reports from people who live here, into a map you can actually use: is this block bad? Is it getting worse? Which neighborhood is winning (or losing) the fight this month?

What’s actually on the map

Most of the data is Chicago’s own — every “Rodent Baiting/Rat Complaint” filed through 311, pulled in automatically once a day so the map never goes stale. Layered on top are sightings reported directly by visitors, matched to the same neighborhood and zip-code boundaries the city uses, so a resident’s report and an official 311 complaint carry equal weight on the map.

Reading the map

Circles are sized and colored by how many reports a neighborhood has racked up — blue is quiet, red means trouble. The Day / Week / 30 Days / Year toggle up top changes the window, so you can see whether a neighborhood’s rat problem is a one-week blip or a year-long trend. Whoever’s in the lead gets crowned the neighborhood Rat King in the sidebar, a title that changes hands as new reports come in.

Noticed a rat that isn’t on the map yet? Use “Report a sighting” above — it takes under a minute and goes live as soon as it’s reviewed. Curious about where the data actually comes from or how reports are moderated? See the About page for the full breakdown.

Want more? The blog has weekly trend recaps and guides on Chicago’s rat problem and how to keep it out of your home.

Browse every sighting

55,179 reports match your filters.

DateAddressNeighborhoodWardStatusResponse timeReported viaSource
11/12/20251649 N KEDVALE AVEHumboldt Park26Completed1 dayPhone CallCity 311
10/31/20251649 N KEDVALE AVEHumboldt Park26Completed3 daysPhone CallCity 311
11/17/20251649 N KILDARE AVEHumboldt Park26Completed2 daysPhone CallCity 311
1/12/20261649 N KILDARE AVEHumboldt Park26Completed1 dayAlderman's OfficeCity 311
5/19/20261649 N KILDARE AVEHumboldt Park26Completed3 daysPhone CallCity 311
1/27/20261649 N KILDARE AVEHumboldt Park26Completed1 dayPhone CallCity 311
8/1/20261649 N KILDARE AVEHumboldt Park26Completed12 daysMobile DeviceCity 311
5/29/20261649 N KILDARE AVEHumboldt Park26Completed6 daysPhone CallCity 311
7/24/20261649 N LATROBE AVEAustin37Completed6 daysPhone CallCity 311
9/14/20261649 N MOZART STWest Town26Completed14 daysPhone CallCity 311
6/3/20261649 N OAKLEY AVEWest Town32Completed2 daysMobile DeviceCity 311
4/23/20261649 N ST LOUIS AVEHumboldt Park26Completed1 dayInternetCity 311
4/17/20261649 S CENTRAL PARK AVENorth Lawndale24Completed3 daysPhone CallCity 311
7/25/20251649 S HOMAN AVENorth Lawndale24Completed11 daysMobile DeviceCity 311
7/28/20261649 W 47TH STNew City20Completed13 daysInternetCity 311
8/21/2026164 N LAMON AVEAustin28Completed7 daysPhone CallCity 311
8/25/2026164 N LAPORTE AVEAustin28Completed8 daysPhone CallCity 311
8/25/2026164 N LAPORTE AVEAustin28Completed9 daysPhone CallCity 311
10/2/2025164 N LAPORTE AVEAustin28Completed3 daysPhone CallCity 311
11/26/2025164 W BURTON PLNear North Side2Completed7 daysPhone CallCity 311
5/7/2026164 W BURTON PLNear North Side2Completed1 dayInternetCity 311
11/25/2025164 W BURTON PLNear North Side2Completed8 daysMobile DeviceCity 311
9/29/20261650 N CALIFORNIA AVEWest Town26Open—Phone CallCity 311
4/26/20261650 N CLAREMONT AVEWest Town32Completed3 daysMobile DeviceCity 311
5/18/20261650 N CLAREMONT AVEWest Town32Completed3 daysMobile DeviceCity 311
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